Automatic milk-can wasker



AUTOMATIC MILK CAN WASHER Filed Jan. 10 1922 3 shwshee@ 1' J G. 5. BENNETT AUTOMATIC MILKCAN WASHER Filed Jan. l0 1922 5 Sheets-Sheet 5 ments 38 and 39y on the rod 35,' v and arranged ing from the {saidl'valve casing 29 to theupper portions of' thecylinders 22, arod 35 connected vat 36 to vone arm 25 onthe receptacle 21 and extending loosely through a sleeve 37" 011 the valve crank 31-,1 and abut- `below and abovethe crankl asbest shown in Figure 2. Thecylinders vand "pipes ini the system described fare-chargedwithian appropriate Huid,v preferably .cih-fand. when it is remembered Vthat the pump. 26 is'actu' ated synchrnouslyf'fthe operation of readily understood "that the control valve 30 yin-.t-he full line positinl'in vFi abutment 38 on the rod 3 5 engages't'he valve f crank 3l and the valve 3 0 isshifted tothe dotted line position of lIf`i gu1`j e=7,.oil- Will-be' exhausted fromthe lower-portions ofjtlie.

Y cylinders 22 and will` be forcedluunder pres-I `vsure-into the upper portions of the cylinders 22 'withV the result that the-pistons 23 and the receptacle 21 will be moved d ovvnwardly.v

(This movement will' continue' until the upv@per abutment 39 fon rod 4by cooperation @with the valve crankrl shiftsmthe valve back lto the vfull line yPOSDII of Figure 7 i :when theupwardmovementof pistons and Y receptacle`21 will b e'repe'ated. In this Way l .during thel rotation ofthehead 14 and the supply of `a strong'headof waterand-abra- I. A 'the .s'a'idjcan.l will" be smoothly reciprocated in a vertical',.direction soth'at all 'parts'of centrifugalpumpf, 1s'. drivenl-atfgal'speed of v. y.fthe interio ofv y he can y' vvill'be v'thoroughly cleansedg.y

E'Xp'eri lhas demonstrated that the best?l results are btained'when the rotor ofthe approximately 41000i'etiolutions er minute.

VVe have entered-intoa deta fsddescrip--l ment ofthe parts vembracedin thepresent- 2 and preferred embodiment 'of' ourjinvention in order` to impart a,full,cl'ear and exact-,f

understanding of thesaid embodiment. We

'do not desire, however," tobe understood as confining ourselves t'c the said specific'con- ,struction and relative arrangementof parts inasmuch 'as in the future practice of the invention variouschanges and modifications; may be made such as fall within the scope of our .invention as defined in our appended claims..lf""' 7 l i Having described our `invention, what we v claim anddesire to secure by Letters-Patent, il. In a milk-can washer", the combination of a hollow, reciprocat'ory can-support, liquid-operable means to reciprocate the said support, a pipe on which the said support tate' .,'aid pipe, means togsupply -cleansing agent under pressureto said p`ipei,'and= tele-l wordt;

is reciprocable,l said.v pipe: being'rrctatable about'its axis, means to so `rotate said' pipe,

means tOsupply cleansing'agentunder pres- .v sure. to said pipe, and telescopicconduit means connected to the can-support for .the

discharge of 'cleansingageint` andfdii't received from the Call; the said-.means torotate the 4pipe including' a shaftv geared to -1 said pipe, vand 'the said -meansto reciprocate' the cansu'pport 'including-l 4pump operabie can washer,"-thescombination of a` hollow, reciproc'atoryffcanfsupport,

liquid operablemeans to 1 reciprocate -the v saidsupport,".awpipe onwhichfthe said 'support isreciprocable, said .pipe being rotatable about its axis, means. to `so ro scopicconduitmeans. connected` to the cansupport for the discharge of.' cleansing agent aridii'dirtreceived from' thecan; thesaid means to're'ciprocate the can-support 'including avpumpvoperable by the pipe-rotating means and also including'piston cylinders.

pistons connectedto the` support,'a control valve, and meansmovable with thesupport to. shift'said valve.

'3.-'In a milk can washer, the` combination. of a hollow, -reciprocatory can-support,'

means including cylinders and'pistons there'- inconnected to'said can support'to; r.ecip

rocate the said/support, a pipejon'which the l saidV support is reciprocable,said pipe being rotatable about its aXis,.'meansv to so rotate -saidpipe, means to supply cleansing agent` under pressure' to said pipe, and telescopic conduit means vconnected to the 'can-support for the discharge of cleansing agent and! 105;. pipe. being equipped with a 'spray-head. f

dirt received from .the can g the said rotary 4. In av milk can washer, the' combination of 'fiahollow, reciprocatory can-support,

means including cylinders and pistons theremf connected to said can. supportito recipf tion ofthe construction andre'lativearrange-froeatesthe said support, aI pipe on which.

the said '.support isreciprocable, said pipe being rotatable about'itsax'ia means tofso" rotate said' pipe,r means to. supply. cleansiiiig agent under pressure to'said pipe, telescopic conduitI means connected to the can-supportA for 4the vdischarge of cleansing Iagent and.. dirt received from"thex,can and a spray-f head at the top I.of saidl pipe having wid extending discharge noz'zles arranged at va rious angles. 'y

5. In a milk can'washer, the vcombination` of .a hollow, 'opemcan-supporting receptacle reciprocable vertically, a tank, a rotary pipe, L25

- atenei means movable with the can-supporting receptacle tor shifting said control valve and pipes connecting the piston cylinder With the second pump and the control valve.

ln a milk can Washer, the combination of a hollow, open can-supporting receptacle reciprocable vertically, a tank, a rotary pipe, a pump connected with said tank and pipe, means to return cleansing agent from the supporting receptacle to the'tank, means to reciprocate the can-supporting receptacle in` cluding,l a piston cylinder and a piston therein connected to the can-supporting receptacle, a second pump, a control valve, means movable with the can-supporting receptacle for shifting said control valve and pipes .connecting the piston cylinder at opposite sides of the piston with the second pump and thepcxontrol valve; the eduction orifice of the first-named pump being connected with the tank and the rotary pipe by a pipe containing a three-Way valve whereby the cleansing fluid may be agitated Without passing through the rotary-pipe.

- 7. In a milk can Washing machine, an upstanding pipe, a head at the top of said pipe with laterally extending nozzles adapted to enter the mouth of an inverted milk can, means to supply cleansing; fluid under pressure to said pipe and head, a can-support reciprocable vertically and means to so reciprocate said support including cylinders and pistons mevably mounted therein and connected to said support and means to supply fluid under pressure to said cylinders.

8. In a milk can Washing machine, an upstanding pipe, a head at the top of said pipe With laterally extending nozzles adapted to enter the mouth ofan inverted milk can, means to rotate said head, means to supply cleansing fluid under pressure to said pipe and head, a can-support reciprocable vertically and means to so reciprocate said support including cylinders and pistons movably mounted therein and connected to said support and means to supply fluid. under pressure to said cylinders.

9. ln a milkcan Washing machine, an upstanding pipe, a head at the top of said pipe with laterally extending nozzles adapted to enter the mouth of an inverted milk can, means to supply cleansing' duid under pressure to said pipe and head, a can-support reciprocable vertically, means to so reciprocate said support including cylinders and pistons movablv mounted therein and connected to said support, means to supply fluid under pressure to said cylinders, a control valve in said cylinderflnid supply means and means for shifting said control valve.

l0. In a milk can washing machine, an upstanding pipe, a head at the top of said pipe with laterally extending nozzles adapted to enter the mouth of an inverted milk can, means to supply cleansing fluid under pressure to said pipe and head, a can-support reciprocable vertically, means to so re ciprocate said support including cylinders` and pistons movably mounted therein and connected to said support, means to supply fluid under pressure to said cylinders, a control Valve in said cylinder fluid supply means and means automatically operated by the machine for shifting said control valve.

l1. In a milk can Washing machine, an npstanding pipe, a head at thev top of said pipe with laterally extending nozzles adapted to enter the mouth of an inverted milk can, means to supply cleansing fluid under pressure to Said pipe and head, a can-sup port reciprocable vertically, means to so reciprocate said support including' cylinders and pistons movablv mounted therein and connected to said` support, means vto supply fluid under pressure to said cylinders, a control valve in said cylinder fluid supply means and means moved by the can-support for shifting said control valve.

In testimony whereof, We allix our signatures.

GEORGE S. BENNETT. LOUIS L. BENNETT. 

